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All Journal Agrotrop : Journal on Agriculture Science AGRITROP Buletin Udayana Mengabdi E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Journal of Degraded and Mining Lands Management Nandur Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian
IDA BAGUS PUTU BHAYUNAGIRI
Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Other

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Journal : Agrotrop : Journal on Agriculture Science

 1 
PENINGKATAN PRODUKSI DAN MUTU BUAH ANGGUR DENGAN PEMBERIAN IRIGASI TETES DAN PUPUK MINERAL PLUS PADA LAHAN KERING KECAMATAN GEROKGAK, BULELENG I NYOMAN MERIT; IWAYAN NARKA; IDA BAGUS PUTU BHAYUNAGIRI
Agrotrop : Journal on Agriculture Science Vol 1 No 1 (2011)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Increasing the Production and Quality of Grape Yield with Drip Irrigation and Mineral Plus Fertilizer. The aim of this research was to find out the optimum of irrigation intervals and mineral plus fertilizer application in order to increase the production and quality of grape yield. The research was set up for two years program. In the first year, the observation was focused on vegetative growth while yield production was observed in the second year. Three intervals of irrigation viz 2, 4 and 6 days and mineral plus fertilizer dose (M , M 0 and M ) was tested in nested randomized block design with three replications. Parameter of vegetative growth such as plant height, stem diameter and number of branch was measured regularly. Supporting parameters such as soil moisture content, soil water potential, plant water status as indicated by relative water content (RWC) was also measured. In the second year, the production and quality of yield such as number of bunch per plant, number of fruit per bunch and sugar content of fruit were measured. The results showed that mineral plus fertilizer gave a significant effect on grape production, both in first and second harvest. Total yield production of first and second harvest of treatment M0, M1 and M2 was 23.63 kg 27.95 kg and 30.81 kg, respectively. The yield was increased of 18.28 % and 30.38 % of M1 and M2 compare to M0. Interval water supply, has a significant effect on grape yield both in first and second harvest. Total yield production of I1, I2 and I3 was 33.04 kg, 28.18 kg and 21.17 kg, respectively. This was decreased of about 14.71% and 35.93% of I2 and I3 compare to I1. Yield quality was increased as mineral fertilizer increased. Sugar content, volume of seed and respondent that mentioned the yield was sweet, significantly increased as mineral plus fertilizer increased
Aplikasi Remote Sensing dan GIS untuk Pemetaan Perubahan Penggunaan Lahan dan Dampaknya Terhadap Persediaan Pangan di Kecamatan Denpasar Selatan Rahmadani, Aditya; Lanya, Indayati; Bhayunagiri, Ida Bagus Putu
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Application of Remote Sensing and GIS for Land Use Mapping and Impact on Food Supply in South Denpasar. The increasing demand for land, driven by population growth, societal development, and economic progress, leads to land use conversion. The conversion of agricultural land to non-agricultural purposes has implications for food availability. This research aims to assess land use changes over an 11-year period (2012-2023), determine the presence of subak (traditional Balinese irrigation system) in 2041 based on the Regional Spatial Plan (RTRW) map, and project the analysis of food availability in 2030 and 2040 due to land use changes. The methods employed include satellite image interpretation, digital mapping, map overlay, and food availability analysis. The research findings indicate land use changes from 2012 to 2018 resulted in a conversion of 140,66 hectares (23,44 ha/year), and from 2018 to 2023, a conversion of 18,8 hectares (3,76 ha/year), with a total conversion of 159,46 hectares (14,50 ha/year) from 2012 to 2023. Based on the RTRW spatial plan map for 2021-2041, South Denpasar is projected to potentially 4 subak located outside agricultural zones. Land use changes in South Denpasar have implications for the rice food balance, with a projected deficit of (-19.973) tons in 2030 and (-20.563) tons in 2040. Reevaluation of land use allocation policies is necessary due to their impact on food availability, environment, social, and culture.
Monitoring dan Evaluasi Perubahan Penggunaan Lahan Berbasis Penginderaan Jauh di Kecamatan Klungkung, Kabupaten Klungkung Astika, I Komang Putra; Diara, I Wayan; Bhayunagiri, Ida Bagus Putu
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p06

Abstract

Monitoring and Evaluation of Landuse Changes based on Remote Sensing in Klungkung District, Klungkung Regency. Bali Province is one of the tourism destinations in Indonesia, the tourist destinations, offered include beauty of nature, art, culture traditions, and historical buildings one of them is in the Klungkung District such as Kertagosa, Gunarsa Museum the Klungkung Monument. Klungkung District has a large population that a 65,273 people, which can changes in landuse, therefore the research about monitoring and evaluation of landuse change in Klungkung district is needed. The purposes of this research are to determine landuse changes in Klungkung District, the level of accuracy of the classification result of Landsat imagery in 2022, and the relation between classified land use map and spatial planning of Klungkung Regency. The method which is used in this research is the maksimum likehood classification (MLC) in the land use supervised classification. Digital classification for landuse landcover were analyst using semi-automatic classification plugin (SCP) in QGIS 3.22 LTR Apps. The result shows that, it was found that built-up land has a regularity of change of 28,155 ha/yr, rice fields with a regularity of change of 50.5 ha/yr, bare land with an area of 16.88 ha/yr, and dryland farming with a regularity of change reaching 61.7 ha/yr. The overall accuracy of this research was 82.42 % and a kappa index 0.75. The overlay by spatial planning was found that there was a discrepancy the land use in 2022.
Monitoring Alih Fungsi Lahan Sawah dan Pemetaan Status Petani Berbasis Remote Sensing dan Geographic Information System di Subak Kerdung dan Subak Cuculan Kota Denpasar Panjaitan, Pranata Halasan; Lanya, Indayati; Bhayunagiri, Ida Bagus Putu
Agrotrop : Journal on Agriculture Science Vol 14 No 2 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2024.v14.i02.p15

Abstract

Monitoring The Conversion of Rice Fields and Mapping The Status of Farmers in Subak Kerdung and Subak Cuculan, Denpasar City. Subak Kerdung and Subak Cuculan are subaks that are included in the Green Open Space area of ??Denpasar City. The designation of this two subak as an open space areas for Denpasar City does not reduce the land conversion level. Therefore, it is necessary to have more protection by determining the area for Sustainable Food Agricultural Land (SFAL). Based on Government Regulation No. 25 of 2012, the preparation of SFAL needs to be equipped with a database, some of which are data on human resources and farmer status. This study aims to create a map of land-use change (2012-2021), a map of the distribution pattern of farmer status, and a human resources database. This study uses image analysis methods as well as surveys and mapping. The research stages include literature study, interpretation of satellite imagery, field surveys, image reinterpretation, and mapping and preparation of information systems. The results showed that for nine years, there was a conversion of 66.61 ha in Subak Kerdung and 22.62 ha in Subak Cuculan. The number of farmers in Subak Kerdung is 133 people, 121 people are sharecroppers with a total land area of ??93.2 (91.75%), and 18 people are owner farmers with a total land area of ??8.47 ha (8.25%). The number of farmers in Subak Cuculan was 24 people; 22 were sharecroppers with a total land area of ??7.43 ha (84.24%). Owner farmers opened two people with a total arable area of ??1.39 ha (15.76%). Farmers in Subak Kerdung and Subak Cuculan dominate the productive age (31-60 years). The average size of land cultivated by farmers in Subak Kerdung is 0.76 ha/person, and in Subak Cuculan is 0.36 ha/person. The results of this study are expected to be used by the Denpasar city government as a basis for evaluating and enforcing the law and as a reference for determining SFAL in Subak Kerdung and Subak Cuculan.
Co-Authors Astika, I Komang Putra DANIEL VALENTINO SIRAIT EDUART NIKO SIAHAAN HIMAWAN BAYU AJI I GEDE ADHI IRAWAN I GUSTI PUTU RATNA ADI I Made Mega I NYOMAN MERIT I Wayan Diara I WAYAN NARKA I Wayan Nuarsa INDAYATI LANYA Ketut Dharma Susila Krisdianto Putra Sihombing M.Tri Gunasih MADE SRI SUMARNIASIH Michael Haganta Ginting NI PUTU SRI SUTARI Panjaitan, Pranata Halasan Putu Perdana Kusuma Wiguna Rahmadani, Aditya Sianturi, Harrixon Sangputra SUMARNIASIH, MADE SRI Tati Budi Kusmiyarti TATIEK KUSMAWATI WAHID ARDIANSYAH